From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-help-return-53171-listarch-gcc-help=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 26122 invoked by alias); 11 Jun 2013 01:01:33 -0000
Mailing-List: contact gcc-help-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-help.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-help/>
List-Post: <mailto:gcc-help@gcc.gnu.org>
List-Help: <mailto:gcc-help-help@gcc.gnu.org>
Sender: gcc-help-owner@gcc.gnu.org
Received: (qmail 26080 invoked by uid 89); 11 Jun 2013 01:01:32 -0000
X-Spam-SWARE-Status: No, score=-4.3 required=5.0 tests=AWL,BAYES_00,KHOP_THREADED,RCVD_IN_DNSWL_LOW,RCVD_IN_HOSTKARMA_YE,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.1
Received: from mail-ob0-f180.google.com (HELO mail-ob0-f180.google.com) (209.85.214.180)    by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Tue, 11 Jun 2013 01:01:31 +0000
Received: by mail-ob0-f180.google.com with SMTP id eh20so11151872obb.11        for <gcc-help@gcc.gnu.org>; Mon, 10 Jun 2013 18:01:30 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;        d=google.com; s=20120113;        h=mime-version:in-reply-to:references:date:message-id:subject:from:to         :cc:content-type:x-gm-message-state;        bh=Xzqar5Zb4HdcQ0x/57WsawzkrLSbgStHomx+2o3nJjk=;        b=DEMfUw9D4U9y9wEuEiUiEcRS6dF7424LIX0D3jwiKemN7u55syzeg65osCNGvRFWL2         p+GA88jGsQ4a3fYzTqsq8JINFGcg+rQRbrEc2ENKzpvuNEpVZLJzGgW6TDGNWogIwWG6         pwvQKF3mluE+p/UUriNy/vv/74dudEbOc8sR7cFfYYwVwg/Ad988aZ1HhooPsUiXt5oh         CncVcuhR7P6FuZfTGMNJRHdy2s3CTPvEldFcAq5PTWLnK2gmnctSlHsRicE+mxyfMnf2         rmcJUNPH3dX74ber5cB87Aj06f0NtEljaRfUZr5SGYhYQB4qKyOtz0MxYFA1bBxwQyQG         dX/Q==
MIME-Version: 1.0
X-Received: by 10.182.105.102 with SMTP id gl6mr10283975obb.18.1370912490229; Mon, 10 Jun 2013 18:01:30 -0700 (PDT)
Received: by 10.60.4.74 with HTTP; Mon, 10 Jun 2013 18:01:30 -0700 (PDT)
In-Reply-To: <CAPTDLfFcL5ZsxK0BAYN7HTFom4LLYazs7Q+T4dx43Cmw5zzh1w@mail.gmail.com>
References: <CAPTDLfFZp2Z_arQO0iRRFFQMxuj1=AC6zxgv4Q=F2GVxY23qVA@mail.gmail.com>	<CAKOQZ8xEqJX1cEHBOKdswKc6gh1SVczQu_-0ZNsgxtNkoyOj2A@mail.gmail.com>	<CAPTDLfEfMB1o2nwVo8OqmeHFg04hYe2EOn7QN=e9Wgy53U+HzQ@mail.gmail.com>	<CAKOQZ8xnJpX14ZnDHzZDrgRcHyw6JESdC0xCyTkKAWiDiGB6Pw@mail.gmail.com>	<CAPTDLfE=4OsyEkYEiPTjCZZ8m7AOzqHcQEC7kHEi+xube=Q-kg@mail.gmail.com>	<CAKOQZ8z+0+c3P3Pt_4gihVHOM2hLMtpKHBnVsVnj30ucvwkuLw@mail.gmail.com>	<CAPTDLfH--WkreVXSDb7nt6KsKP+vBH3q_eoJX7yvqm=O8QzF0A@mail.gmail.com>	<CAPTDLfG_XuCfGrs6fur6W6trnDxp=y+7fvcQKCTCp7ecQ5XxCA@mail.gmail.com>	<CAKOQZ8z-ffmwbk25segA8bb8mcxzdA1JVfSxOVMTfdko8mA4CA@mail.gmail.com>	<CAPTDLfFcL5ZsxK0BAYN7HTFom4LLYazs7Q+T4dx43Cmw5zzh1w@mail.gmail.com>
Date: Tue, 11 Jun 2013 01:01:00 -0000
Message-ID: <CAKOQZ8yN6GvxDCbGUi-wV43e-==KK=+TZ6tSfsxqvf8n7VYoLg@mail.gmail.com>
Subject: Re: Thumb inline assembly
From: Ian Lance Taylor <iant@google.com>
To: Kalai Rajah N <kalairajah@gmail.com>
Cc: "gcc-help@gcc.gnu.org" <gcc-help@gcc.gnu.org>
Content-Type: text/plain; charset=ISO-8859-1
X-Gm-Message-State: ALoCoQnF1XleD4b5Pf5s3ytGbGiE1Z2QIEnhARZwQUx4TW6Rdo73Vjx2jHroahMMOIxh759th0qiAYn1HdVqJsweuTILz3PbI7IJPznA6L4kxqNe01zOgToDsVbVo4NLk5CSkQhWmiENsGuOX5P5kk7eGYMdPd6LD3FNX+iSMSOxbNAmAdOSn/CJd6VP4a9bzSC/lMS2QUx0
X-SW-Source: 2013-06/txt/msg00068.txt.bz2

On Mon, Jun 10, 2013 at 5:41 PM, Kalai Rajah N <kalairajah@gmail.com> wrote:

> "ldr r1, =%0 /* load the nvic_iser* register */ \n\t"

The references are coming from your lines like the above.  I don't
know what this syntax means.  You are asking GCC to put a register
name in there, so the result is something like
    ldr r1, =r1
This winds up referring to a symbol named r1, rather than the register r1.

Ian